3:45 PM - 4:00 PM
*Zhong-Yuan Ren1, Ya-Dong Wu1, Le Zhang1, Alexander R. L. Nichols, Lu-Bing Hong1, Yin-Hui Zhang, Yan Zhang, Jian-Qiang Liu, Yi-Gang Xu1 (1.State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences)